Phoenix Contact 1539350 A master cable suitable for connecting sensor and actuator boxes is available, characterized by its PUR/PVC material composition, 18-conductor configuration with varying wire sizes, including two larger wires of 0.75 mm2 diameter. The cable has a total length of 50 meters, without a PE conductor or shielding, making it an ideal option for applications requiring a low-cost, unshielded connection solution.